
                    <p><a href="https://so.csdn.net/so/search?q=HarmonyOS&amp;spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https://so.csdn.net/so/search?q=HarmonyOS&amp;spm=1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;searchword\&quot;:\&quot;HarmonyOS\&quot;}&quot;}" data-tit="HarmonyOS" data-pretit="harmonyos">HarmonyOS</a>应用开发者高级认证是由华为推出的一项认证计划，旨在提供给开发者们展示他们在HarmonyOS应用开发方面的专业能力和技术实力的机会。</p> 
<p>通过参加和通过高级<a href="https://so.csdn.net/so/search?q=%E8%AE%A4%E8%AF%81%E8%80%83%E8%AF%95&amp;spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https://so.csdn.net/so/search?q=%E8%AE%A4%E8%AF%81%E8%80%83%E8%AF%95&amp;spm=1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;searchword\&quot;:\&quot;认证考试\&quot;}&quot;}" data-tit="认证考试" data-pretit="认证考试">认证考试</a>，开发者将获得HarmonyOS应用开发者高级认证，这将作为他们在HarmonyOS开发领域的荣誉和认可，并有助于提升他们在市场上的竞争力和信誉度。</p> 
<p>通过此认证，开发者将展示他们掌握HarmonyOS<a href="https://so.csdn.net/so/search?q=%E5%BA%94%E7%94%A8%E5%BC%80%E5%8F%91&amp;spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;dest&quot;:&quot;https://so.csdn.net/so/search?q=%E5%BA%94%E7%94%A8%E5%BC%80%E5%8F%91&amp;spm=1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;searchword\&quot;:\&quot;应用开发\&quot;}&quot;}" data-tit="应用开发" data-pretit="应用开发">应用开发</a>的核心知识和技能，包括应用架构设计，界面开发，安全性与隐私保护，<span class="edu-hl hl hl-1" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;性能优化\&quot;}&quot;}" data-tit="性能优化" data-pretit="性能优化">性能优化</span>，以及适配多种设备等方面的能力。</p> 
<p>课程路径：<a class="link-info" href="https://developer.huawei.com/consumer/cn/training/dev-cert-detail/101684223987951077?ha_source=zhongruannei&amp;ha_sourceId=89000245" rel="nofollow" title="https://developer.huawei.com/consumer/cn/training/dev-cert-detail/101684223987951077?ha_source=zhongruannei&amp;ha_sourceId=89000245" target="_blank">https://developer.huawei.com/consumer/cn/training/dev-cert-detail/101684223987951077?ha_source=zhongruannei&amp;ha_sourceId=89000245</a></p> 
<p>考试地址：<a class="link-info" href="https://developer.huawei.com/consumer/cn/training/exam-detail/101684221791158147?ha_source=shenzhen&amp;ha_sourceId=89000465" rel="nofollow" title="https://developer.huawei.com/consumer/cn/training/exam-detail/101684221791158147?ha_source=shenzhen&amp;ha_sourceId=89000465" target="_blank">https://developer.huawei.com/consumer/cn/training/exam-detail/101684221791158147?ha_source=shenzhen&amp;ha_sourceId=89000465</a></p> 
<p>博主已过证书：</p> 
<p class="img-center"><img alt="" src="https://i-blog.csdnimg.cn/blog_migrate/0b8c766a19a1ff8675e7e10ab74f860c.jpeg"></p> 
<p>相关题目：</p> 
<p style="margin-left:0;text-align:justify;">[判断题]&nbsp;</p> 
<p style="margin-left:0;text-align:justify;">1、云<span class="edu-hl hl hl-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;函数\&quot;}&quot;}" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;函数\&quot;}&quot;}" data-tit="函数" data-pretit="函数">函数</span>打包完成后，需要到AppGallery Connect创建对应函数的触发器才可以在端侧中调用</p> 
<p style="margin-left:0;text-align:justify;">错误(False)</p> 
<p style="margin-left:0;text-align:justify;">2、每一个自定义<span class="edu-hl hl hl-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;组件\&quot;}&quot;}" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;组件\&quot;}&quot;}" data-tit="组件" data-pretit="组件">组件</span>都有自己的生命周期&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;正确(True)</p> 
<p style="margin-left:0;text-align:justify;">3、基于端云一体化开发，开发者需要精通前端、后端不同的开发语言&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 错误(False)</p> 
<p style="margin-left:0;text-align:justify;">4、首选项preferences是以Key-Value形式存储数据，其中Key是可以重复。&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;错误(False)</p> 
<p style="margin-left:0;text-align:justify;">5、HarmonyoS应用可以兼容OpenHarmony生态&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 正确(True)</p> 
<p style="margin-left:0;text-align:justify;">6、每调用一次<span class="words-blog hl-git-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.10283&quot;,&quot;extra&quot;:&quot;{\&quot;words\&quot;:\&quot;router\&quot;}&quot;}" data-tit="router" data-pretit="router">router</span>,pushur1()方法，默认情况下，页面找数量会加1，页面找支持的最人页面数量为32.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 正确(True)</p> 
<p style="margin-left:0;text-align:justify;">7、只要使用端云一体化的云端资源就需要支付费用&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;错误(False)</p> 
<p style="margin-left:0;text-align:justify;">8、首选项是非关系数据库，遵循ACID特性&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 错误(False)</p> 
<p style="margin-left:0;text-align:justify;">9、在Column和Row容器组件中，alignItems用于设置子组件在主轴方向上的对齐格式，justifyContent用于设置了组件在交又轴方向上的对齐格式&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 错误(False)</p> 
<p style="margin-left:0;text-align:justify;">10、所有使用@Component修饰的自定义组件都支持onPageShow，onBackPress和onPageHide生命周期函数.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;错误(False)</p> 
<p style="margin-left:0;text-align:justify;">11、只要使用端云一体化的云端资源就需要支付费用&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;错误(False)</p> 
<p style="margin-left:0;text-align:justify;">12、HarmonyOS应用可以兼容OpenHarmony生态&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 正确(True)</p> 
<p style="margin-left:0;text-align:justify;">单选题：</p> 
<p style="margin-left:0;text-align:justify;">13、发布应用时需要创建Profile时，类型选择什么类型?</p> 
<p style="margin-left:0;text-align:justify;">B.发布</p> 
<p style="margin-left:0;text-align:justify;">14、发布开放式测试版本后，还需要人工审核吗?</p> 
<p style="margin-left:0;text-align:justify;">B.不需要</p> 
<p style="margin-left:0;text-align:justify;">15、开发者在DevEco studio中，可以通过什么方式使用端云一体化?</p> 
<p style="margin-left:0;text-align:justify;">B.工程模板</p> 
<p style="margin-left:0;text-align:justify;">16、添加用户信息时，如果帐号使用手机号码，以下哪种输入格式正确?</p> 
<p style="margin-left:0;text-align:justify;">A.86-189****1234</p> 
<p style="margin-left:0;text-align:justify;">17、应用包名不能包含一些保留字段，以下哪个字段符合规范?</p> 
<p style="margin-left:0;text-align:justify;">A. .test.</p> 
<p style="margin-left:0;text-align:justify;">18、认证服务支持下列哪种帐号认证</p> 
<p style="margin-left:0;text-align:justify;">c.华为帐号</p> 
<p style="margin-left:0;text-align:justify;">19、跨端迁移和协同是哪个鸿蒙特征的能力</p> 
<p style="margin-left:0;text-align:justify;">C.统一生态</p> 
<p style="margin-left:0;text-align:justify;">20、发布后的鸿蒙应用可以在哪里获取?</p> 
<p style="margin-left:0;text-align:justify;">A.华为应用市场</p> 
<p style="margin-left:0;text-align:justify;">21、下面哪个方法，可以跳转到一个新页面，并销毁当前页面,</p> 
<p style="margin-left:0;text-align:justify;">B. router.replaceUrl()</p> 
<p style="margin-left:0;text-align:justify;">22、关于UIAbility的启动模式，下列说法错误的是:</p> 
<p style="margin-left:0;text-align:justify;">C.&nbsp;muliton为多实例模式，每次startAbility都会启动一个新的实例，系统默认为muliton为模式</p> 
<p style="margin-left:0;text-align:justify;">23、引用ohpm三方库的包依赖是在哪个配置文件中</p> 
<p style="margin-left:0;text-align:justify;">C.oh-package.json5</p> 
<p style="margin-left:0;text-align:justify;">24、元服务包名必须以哪个字段结尾?</p> 
<p style="margin-left:0;text-align:justify;">A. .hmservice</p> 
<p style="margin-left:0;text-align:justify;">25、Row组件中有两个Text组件，如果使用justifyContent对齐方式，下面哪个属性可以实现左右两端对齐:</p> 
<p style="margin-left:0;text-align:justify;">D. FlexAlign.SpaceBetween</p> 
<p style="margin-left:0;text-align:justify;">26、自定义组件的aboutToAppear()在什么时机执行</p> 
<p style="margin-left:0;text-align:justify;">B.build函数之前</p> 
<p style="margin-left:0;text-align:justify;">27、关于Tabs组件页签的位置设置，下面描述错误的是</p> 
<p style="margin-left:0;text-align:justify;">D.当barPosition为End ，vertical属性为true时，页签位于容器底部。</p> 
<p style="margin-left:0;text-align:justify;">28、在下面哪个文件中可以设置页面的路径配置信息?</p> 
<p style="margin-left:0;text-align:justify;">A. main_pages,json</p> 
<p style="margin-left:0;text-align:justify;">29、元服务创建测试用户时，用户列表存储位置需要选择</p> 
<p style="margin-left:0;text-align:justify;">B.中国</p> 
<p style="margin-left:0;text-align:justify;">30、开放式测试版本发布后，受邀测试用户如何体验?</p> 
<p style="margin-left:0;text-align:justify;">B.进入服务中心，打开“开发者测试”开关，在最下方的“服务测试”找到待体验的元服务</p> 
<p style="margin-left:0;text-align:justify;">31、<span class="words-blog hl-git-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.10283&quot;,&quot;extra&quot;:&quot;{\&quot;words\&quot;:\&quot;Webview\&quot;}&quot;}" data-tit="Webview" data-pretit="webview">Webview</span>在Harmonyos中的入口是通过什么组件体现的</p> 
<p style="margin-left:0;text-align:justify;">c.Web组件</p> 
<p style="margin-left:0;text-align:justify;">32、关于容器组件Row和Column，下面说法错误的是:</p> 
<p style="margin-left:0;text-align:justify;">D.Row的子组件在交叉轴方向上的对齐方式使用alignltems属性来设置，其参数类型为HorizontalAlign。</p> 
<p style="margin-left:0;text-align:justify;">33、端云一体化当前支持最低的鸿蒙API版本是</p> 
<p style="margin-left:0;text-align:justify;">A.9</p> 
<p style="margin-left:0;text-align:justify;">34、() 模央提供了全双工通信协议</p> 
<p style="margin-left:0;text-align:justify;">B. <span class="words-blog hl-git-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.10283&quot;,&quot;extra&quot;:&quot;{\&quot;words\&quot;:\&quot;WebSocket\&quot;}&quot;}" data-tit="WebSocket" data-pretit="websocket">WebSocket</span></p> 
<p style="margin-left:0;text-align:justify;">35、创建应用时，应用包名需要和config.json文件中哪个字段保持一致?</p> 
<p style="margin-left:0;text-align:justify;">C. bundleName</p> 
<p style="margin-left:0;text-align:justify;">36、发布开放式测试版本后，怎么追加测试用户?</p> 
<p style="margin-left:0;text-align:justify;">B.需要重新发布新的测试版本追加用户</p> 
<p style="margin-left:0;text-align:justify;">37、@state修饰的状态数据被修改时会触发组件的 () 方法进行UI界面更新</p> 
<p style="margin-left:0;text-align:justify;">A.build方法</p> 
<p style="margin-left:0;text-align:justify;">38、下面哪个组件不能包含子组件:</p> 
<p style="margin-left:0;text-align:justify;">D. LoadingProgress</p> 
<p style="margin-left:0;text-align:justify;">39、发布应用时要创建证书，证书类型选择什么类型?</p> 
<p style="margin-left:0;text-align:justify;">B.发布证书</p> 
<p style="margin-left:0;text-align:justify;">40、元服务包由一个或多个HAP包组成，每个HAP包不得超过() ，以提供秒开体验。</p> 
<p style="margin-left:0;text-align:justify;">B.10MB</p> 
<p style="margin-left:0;text-align:justify;">多选题：</p> 
<p style="margin-left:0;text-align:justify;">41、下面哪些是Ability的生命周期回调函数?</p> 
<p style="margin-left:0;text-align:justify;">A. onCreate</p> 
<p style="margin-left:0;text-align:justify;">B. onDestroy</p> 
<p style="margin-left:0;text-align:justify;">E. onForeground</p> 
<p style="margin-left:0;text-align:justify;">F.onBackground</p> 
<p style="margin-left:0;text-align:justify;">42、UIAbility的启动模式有哪些</p> 
<p style="margin-left:0;text-align:justify;">A. singleton</p> 
<p style="margin-left:0;text-align:justify;">B. specified</p> 
<p style="margin-left:0;text-align:justify;">C. multition</p> 
<p style="margin-left:0;text-align:justify;">43、以下关于ArkTS声明式开发范式的基本组成说明正确的是</p> 
<p style="margin-left:0;text-align:justify;">A. 装饰器: 用来装饰类、结构体、方法以及变量，赋予其特殊的含义，例如@Entry表示这是个入口组件</p> 
<p style="margin-left:0;text-align:justify;">B.自定义组件: 可复用的 UI 单元，可组合其它组件。</p> 
<p style="margin-left:0;text-align:justify;">C.UI描述: 声明式的方法来描述UI的结构，例如build0方法中的代码块。</p> 
<p style="margin-left:0;text-align:justify;">D.内置组件: ArkTS中默认内置的基本组件和布局组件，开发者可以直接调用，如ColumnText、Divider、 Button等。</p> 
<p style="margin-left:0;text-align:justify;">E.属性方法: 用于组件属性的配置，统一通过属性方法进行设置，如&nbsp;&nbsp; fontSize0、width0、height0、color0 等。</p> 
<p style="margin-left:0;text-align:justify;">F.事件方法: 用于添加组件对事件的响应逻辑，统一通过事件方法进行设置，如跟随在Button后面的onClick0。</p> 
<p style="margin-left:0;text-align:justify;">44、UIAbility的生命周期包括哪些函数?</p> 
<p style="margin-left:0;text-align:justify;">A. onCreate</p> 
<p style="margin-left:0;text-align:justify;">B. onForeground</p> 
<p style="margin-left:0;text-align:justify;">C.onBackground</p> 
<p style="margin-left:0;text-align:justify;">D. onDestroy</p> 
<p style="margin-left:0;text-align:justify;">45、下面哪些组件层次结构是正确的.</p> 
<p style="margin-left:0;text-align:justify;">A. Text&gt;Span</p> 
<p style="margin-left:0;text-align:justify;">B. Button&gt;Column&gt;mage</p> 
<p style="margin-left:0;text-align:justify;">E. Column&gt;Row&gt;Button</p> 
<p style="margin-left:0;text-align:justify;">46、公共事件服务为应用程序提供哪些能力</p> 
<p style="margin-left:0;text-align:justify;">B.订阅公共事件</p> 
<p style="margin-left:0;text-align:justify;">C.发布公共事件</p> 
<p style="margin-left:0;text-align:justify;">D.取消订阅公共事件</p> 
<p style="margin-left:0;text-align:justify;">47、鸿蒙特征包含哪些场景化能力</p> 
<p style="margin-left:0;text-align:justify;">A.一次开发、多端部署</p> 
<p style="margin-left:0;text-align:justify;">B.可分可合、自由流转</p> 
<p style="margin-left:0;text-align:justify;">C.统一生态、原生智能</p> 
<p style="margin-left:0;text-align:justify;">48、鸿蒙应用/元服务上架过程上传<span class="edu-hl hl hl-1" data-report-view="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;软件\&quot;}&quot;}" data-report-click="{&quot;spm&quot;:&quot;1001.2101.3001.7020&quot;,&quot;extra&quot;:&quot;{\&quot;word\&quot;:\&quot;软件\&quot;}&quot;}" data-tit="软件" data-pretit="软件">软件</span>包常见的问题有哪些</p> 
<p style="margin-left:0;text-align:justify;">A.软件包中的发布Profile文件和当前上传软件包的应用不匹配</p> 
<p style="margin-left:0;text-align:justify;">B.软件包中的发布证书与发布Profile文件中的发布证书不匹配</p> 
<p style="margin-left:0;text-align:justify;">C.软件包未签名导制提示非法软件包</p> 
<p style="margin-left:0;text-align:justify;">D.软件包中使用证书已经失效过者过期</p> 
<p style="margin-left:0;text-align:justify;">49、公共事件服务为应用程序提供哪些能力</p> 
<p style="margin-left:0;text-align:justify;">B. 订阅公共事件</p> 
<p style="margin-left:0;text-align:justify;">C. 发布公共事件</p> 
<p style="margin-left:0;text-align:justify;">D. 取消订阅公共事件</p> 
<p style="margin-left:0;text-align:justify;">50、端云一体化工程目录结构分为哪些部分</p> 
<p style="margin-left:0;text-align:justify;">A. 端开发工程（Application）</p> 
<p style="margin-left:0;text-align:justify;">B. 云开发工程（CloudProgram）</p> 
<p style="margin-left:0;text-align:justify;">C. 端侧公共库（External Libraries）</p>
                